Bahá'ís believe in one God, the essential harmony of all religions, the equality of women and men, the elimination of prejudice, universal education, and the establishment of world peace.
Progressive revelation means that God sends Divine Messengers at different times in history, each bringing teachings suited to the age and building upon the foundations laid before.
Yes. Bahá'ís believe there is only one God, though people may call God by different names and understand the Divine in different ways.
Bahá'ís believe the soul continues its journey toward God after physical death. This life is a chance to prepare the soul for the worlds to come.
The Bahá'í Covenant is the assurance that God's guidance will continue after the passing of Bahá'u'lláh through 'Abdu'l-Bahá, Shoghi Effendi, and the Universal House of Justice.